43193056873 has 2 divisors, whose sum is σ = 43193056874. Its totient is φ = 43193056872.

The previous prime is 43193056859. The next prime is 43193056937. The reversal of 43193056873 is 37865039134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23107648144 + 20085408729 = 152012^2 + 141723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43193056873 is a prime.

It is not a weakly prime, because it can be changed into another prime (43193056843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21596528436 + 21596528437.

It is an arithmetic number, because the mean of its divisors is an integer number (21596528437).

Almost surely, 2^43193056873 is an apocalyptic number.

It is an amenable number.

43193056873 is a deficient number, since it is larger than the sum of its proper divisors (1).

43193056873 is an equidigital number, since it uses as much as digits as its factorization.

43193056873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 43193056873 in words is "forty-three billion, one hundred ninety-three million, fifty-six thousand, eight hundred seventy-three".